I could atomize you could atomize he could atomize we could atomize you could atomize they could atomize
V-ing form
I could be atomizing you could be atomizing he could be atomizing we could be atomizing you could be atomizing they could be atomizing
Perfect
I could have atomized you could have atomized he could have atomized we could have atomized you could have atomized they could have atomized
V-ing perfect
I could have been atomizing you could have been atomizing he could have been atomizing we could have been atomizing you could have been atomizing they could have been atomizing
Negation
Simple form
I couldn't atomize you couldn't atomize he couldn't atomize we couldn't atomize you couldn't atomize they couldn't atomize
V-ing form
I couldn't be atomizing you couldn't be atomizing he couldn't be atomizing we couldn't be atomizing you couldn't be atomizing they couldn't be atomizing
Perfect
I couldn't have atomized you couldn't have atomized he couldn't have atomized we couldn't have atomized you couldn't have atomized they couldn't have atomized
V-ing perfect
I couldn't have been atomizing you couldn't have been atomizing he couldn't have been atomizing we couldn't have been atomizing you couldn't have been atomizing they couldn't have been atomizing
Interrogative form
Simple form
could I atomize? could you atomize? could he atomize? could we atomize? could you atomize? could they atomize?
V-ing form
could I be atomizing? could you be atomizing? could he be atomizing? could we be atomizing? could you be atomizing? could they be atomizing?
Perfect
could I have atomized? could you have atomized? could he have atomized? could we have atomized? could you have atomized? could they have atomized?
V-ing perfect
could I have been atomizing? could you have been atomizing? could he have been atomizing? could we have been atomizing? could you have been atomizing? could they have been atomizing?
Interro-negative form
Simple form
couldn't I atomize? couldn't you atomize? couldn't he atomize? couldn't we atomize? couldn't you atomize? couldn't they atomize?
V-ing form
couldn't I be atomizing? couldn't you be atomizing? couldn't he be atomizing? couldn't we be atomizing? couldn't you be atomizing? couldn't they be atomizing?
Perfect
couldn't I have atomized? couldn't you have atomized? couldn't he have atomized? couldn't we have atomized? couldn't you have atomized? couldn't they have atomized?
V-ing perfect
couldn't I have been atomizing? couldn't you have been atomizing? couldn't he have been atomizing? couldn't we have been atomizing? couldn't you have been atomizing? couldn't they have been atomizing?